<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>以对象语法绑定style属性</title>
  <script type="text/javascript" src="vue.js"></script>
  <style>
    div>div {
      width: 60px;
      height: 60px;
      border: 2px solid #bbb;
      text-align: center;
      line-height: 60px;
      font-size: 30px;
      margin:10px;
      float:left;
    }
  </style>    
</head>
<body>
  <div id="app">
    <div>1</div>
    <div v-bind:style="{ 'border-color': selected }">2</div>
    <div v-bind:style="{ 'background': active }">3</div>
    <div v-bind:style="{ borderColor: selected, 'background': active }">4</div>
  </div>
  <script>
    var vm = new Vue({
      el: '#app',
      data:{
        selected: '#000',
        active: '#bbb'
      }
    })
  </script>
</body>
</html>